182 



FABACEAE. 



1. Indigofera suffruticosa Mill. 

 WILD INDIGO. (Fig. 203.) Foliage 

 strigillose. Stems woody, erect, 3- 

 6 tall, angular, sparingly branched; 

 leaflets 7-15, thin, oblong, oblanceo- 

 late or obovate, I'-IJ' long, mucro- 

 * Date, acute at the base, glabrous or 

 glabrate above ; racemes shorter than 

 the subtending leaves; pedicels about 

 \" long, finally recurved ; calyx 

 densely pubescent, its lobes about aa 

 long as the tube ; corolla orange, about 

 2" long; pods stout, 6"-8" long, 

 curved, thickened at the sutures. [7. 

 Anil L. ; /. tinctoria of Jones, of 

 Lefroy, and of H. B. Small.] 



Frequent in waste grounds, espe- 

 cially plenty between Castle Harbor 

 and Harrington Sound. Said by Lefroy 

 to have been introduced for commercial 

 purposes in the seventeenth century. 

 Naturalized. Native of the West In- 

 dies. Naturalized in the southern United 

 States. Flowers in summer and autumn. 



7. CAJAN Adans. 

 A perennial, stiff, slightly woody 

 herb, finely puberulent, or pubescent, 



with pinnately 3-foliolate leaves, and showy yellow flowers in stalked axillary 

 racemes. Calyx narrowly campanulate, its lobes acute, the 2 upper ones partly 

 united. Standard nearly orbicular, reflexed; wings obliquely obovate; keel 

 with a blunt incurved tip. Ovary many-ovuled ; style thickened above; 

 stigma oblique. Pod linear, flattened, 

 acute and long-tipped, its valves im- 

 pressed between the seeds. [From 

 the Malayan name.] A monotypic 

 genus. 



1. Cajan Cajan (L.) Millsp. 

 PIGEON PEA. (Fig. 204.) Bushy, 

 branched, 6 high or less. Leaves 

 petioled; leaflets oblong or oblong- 

 lanceolate, l'-3' long, acute at both 

 ends or obtuse at the base, velvety 

 on both sides, dark green above, pale 

 beneath; racemes few-flowered, as 

 long as the leaves or longer; pedicels, 

 raehis and calyx brown-pubescent; 

 flowers 6"-8" broad; pods 2'-3' long, 

 5"-6" wide, 4-7-seeded; seeds whitish, 

 somewhat flattened, about 2" thick. 

 [Cytisus Cajan L. ; Cajanus indicus 

 Spreng.] 



Spontaneous after cultivation for 

 its edible seeds. Native of the East 

 Indies. Widely cultivated and natural- 

 ized in tropical regions. 



